甲乙两组同学利用如图甲所示的电路测定小灯泡的额定功率．已知小灯泡的额定电压为25v�动变阻器铭牌上标有“10Ω 2a 的字样电源电压不 Sketch Coloring Page

甲乙两组同学利用如图甲所示的电路测定小灯泡的额定功率．已知小灯泡的额定电压为25v�动变阻器铭牌上标有“10Ω 2a 的字样电源电压不 Template

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tomski甲乙两组同学利用如图甲所示的电路测定小灯泡的额定功率．已知小灯泡的额定电压为25v�动变阻器铭牌上标有“10Ω 2a 的字样电源电压不 coloring

甲乙两组同学利用如图甲所示的电路测定小灯泡的额定功率．已知小灯泡的额定电压为25V�动变阻器铭牌上标有“10Ω 2A 的字样电源电压不 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

甲乙两小组同学用图甲所示的电路进行了一些实验探究．1甲小组选取的定值电阻为15Ω电阻箱阻值如图乙所示其值为3535Ω此时电压表的示 sketch template

甲乙两小组同学用图甲所示的电路进行了一些实验探究． 1甲小组选取的定值电阻为15Ω电阻箱阻值如图乙所示其值为 此时电压表的示数为 sketch template

如图甲所示是小明“探究电流与电压、电阻的关系”的实验电路图。选用的实验器材是：电源3V、电流表（00 6A）、出卷� sketch template

某同学利用如图甲所示的电路测量一节干电池的电动势和高途 sketch template

电学作图画图第4页大山谷图库 sketch template

人教版物理九年级上第十七章第二节细化知识点同步练习——欧姆定律的图像问题（1）在线组卷 sketch template

甲乙两同学从同一地点同时�相同方�做直线运动他们通过的路程随时间变化的图象如图所示则下列说法错误的是 A．两同学在距离出�点100m sketch template

22． 1甲乙两同学在实验室测量同一定值电阻的阻值 �甲同学用多用电表按正确操作步骤测量表针位置如图1所示读数是 Ω �乙 sketch template

“探究电流与电阻关系”的实验实物图如图甲所示，定值电阻的阻值分别为5Ω、10Ω、15Ω、20Ω。（1）连接电路时�现，电路中有一根导线连接错误 sketch template

百度教育 sketch template

两位同学在实验室利用如图a所示的电路测定定值电阻R0电源的电动势E和内电阻r．调节�动变阻器的�动触头P�某一方�移动时一个同学记录了 sketch template

某小组同学利用两个不同的导体甲乙来探究“导体中电流与电压的关系．如图a所示甲是镍铬合�材料乙是锰铜材料．甲乙两导体粗细均匀在不 sketch template

18．小明利用如图12甲所示电路来探究通过导体的电流跟其两端电压及其电阻的关系 1在探究电流与电压的关系时应保持 不变分析表中的 sketch template

题目如图甲所示的电路中恒流源可为电路提供恒定电流I0R为定值电阻电流表电压表均可视为理想电表．某同学利用该电路研究�动变阻器RL sketch template

题目额定电压均为6V的甲乙两灯I﹣U图线如图所示下列说法正确的是 �甲乙两灯的电阻均随电压增大而增大�甲乙两灯的额定功率之比 sketch template

题目如图所示为小排量汽车在lh的时间内在水平路面上匀速行驶了72 Km消耗汽油6 Kg若已知该汽车�动机的功率为23 KW汽车 sketch template

11．如图所示甲图中变阻器的�片从一端�到另一端的过程中两电表的读数随电流表读数的变化情况如乙图中的ACBC两直线所示．不考� sketch template

题目实验小组的同学利用如图甲所示的电路进行探究电源电压恒为9V电压表V量程03V015V电流表A量程006A0 sketch template

百度教育 sketch template

小华同学在探究“电压一定时，电流跟电阻的关系”的实验中，连接电路如图甲所示。（1）请用笔画线代替导线将图甲所示实物连接成完整电路（导线不允许 sketch template

题目某同学利用如图所示的电路测量小灯泡的电阻小灯泡标有“2．5 V 的字样他记录的实验数据如下表所示其中有一次记录的电流表示数是错误 sketch template

在“探究影响电流做功多�的因素活动中同学们设计了如图甲乙丙三个电路． �经过讨论认为不应该选择图甲电路原因是． �为研究电流做功 sketch template

如图所示一轻质弹簧两端连着两运输车A和B放在光�的水平面上一工人以水平速度v0跳上车A已知车A的质量是2m车B的质量是3m工人的 sketch template

某同学在“测量小灯泡电阻 的实验中设计了如图22甲所示的电路图小灯泡上标有“38V15W 字样请完成和解答下列问题 1在图22 sketch template

题目如图甲所示一轻质弹簧的下端固定在水平面上上端叠放两个质量均为M的物体ABB物体与弹簧连接弹簧的劲度系数为k初始时物体处于 sketch template

两个定值电阻R1、R2并联在电路中如图甲所示它们的电流与其两端的电压关系如图乙所示闭合开关S则R1R2产生的热量之比为 A sketch template

某同学采用如图甲所示的电路测定电源电动势和内电阻已知干电池的电动势约为15V内阻约为2Ω电压表V电流表A�动变阻器有R1和R2各一 sketch template

利用如图甲所示的电路测量电池组的电动势E和内阻r根据实验数据绘出 R图线如图乙所示其中R为电阻箱的示数I为电流表的示数不计电流表的内阻 sketch template

某同学利用如图甲所示电路来测量小灯泡的额定电功率，电源电压恒定，小灯泡的额定电压为25V，实验步骤如下：（1）请根据图甲所示的电路图，用笔画 sketch template

6．某小组同学用图甲的电路图探究欧姆定律实验中他们所用的定值电阻分别是5Ω10Ω20Ω电源电压为3V不变．1如图甲所示是小华所 sketch template

用四个�轮和两根相同的绳子组成如图所示的甲、乙两个�轮组用它们匀速提起货物在绳自由端施加竖直的拉力分别为F甲和F乙物重分别为G甲和G乙 sketch template

甲乙两小组同学用图甲所示的电路进行了一些实验探究．1甲小组选取的定值电阻为15Ω电阻箱阻值如图乙所示其值为35Ω此时电压表的示数为 sketch template

甲乙两定值电阻的电流跟电压的关系如右图甲所示则在乙图的电路中电源电压为5V时闭合开关后电流表的读数为A05A B10A C sketch template

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